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SGI Announces Hybrid Computing Platform to Deliver a Petaflop in a Single Cabinet

Scalable Technology Offers Users Unprecedented HPC Capabilities

FREMONT, Calif., and Hamburg, Germany, International Supercomputing 2010 — June 1, 2010 — SGI (NASDAQ: SGI), a global leader in HPC and data center solutions, today announced at the International Supercomputing Conference (ISC) that it has developed a breakthrough hybrid computing platform that will deliver a petaflop of performance within a single cabinet. (A petaflop is defined as a thousand trillion floating point operations per second.) This innovative platform leverages open software architecture and will scale from tens to hundreds of petaflops, enabling users to tackle the most demanding technical compute requirements.

"We are excited to announce this radically differentiated server technology platform," said Dr. Eng Lim Goh, senior vice president and chief technology officer at SGI. "Our innovative technology will enable users to attain new levels of scalability and speed with groundbreaking performance capabilities, culminating in a petaflop in a cabinet."

The new platform was designed to drive performance to specifically address the growing science and engineering technical markets that rely on high-end software to achieve rapid results. It offers GPU processing capabilities from NVIDIA® and ATI, as well as accelerator-based technology from Tilera®, and other peripheral component interconnect express (PCIe) based solutions. The technology will be seen in SGI products by the end of 2010.

"SGI shows its R&D strength again," said Steve Conway, IDC research vice president for high performance computing. "Following closely on the heels of the Altix UV series, SGI has introduced a highly dense, scalable technology designed for strong sustained performance on very demanding HPC applications."

About SGI
SGI is a global leader in large-scale clustered computing, high performance storage, HPC and data center enablement and services. SGI is focused on helping customers solve their most demanding business and technology challenges. Visit www.sgi.com for more information.

This news release contains forward-looking statements regarding SGI technologies and third-party technologies that are subject to risks and uncertainties. These risks and uncertainties could cause actual results to differ materially from those described in such statements. The reader is cautioned not to rely unduly on these forward-looking statements, which are not a guarantee of future or current performance. Such risks and uncertainties include long-term program commitments, the performance of third parties, the sustained performance of current and future products, financing risks, the ability to integrate and support a complex technology solution involving multiple providers and users, and other risks detailed from time to time in the company's most recent SEC reports, including its reports on Form 10-K and Form 10-Q.